British Railways Western Region BR 30145/2 – Working Time Table Rules is an official instruction booklet setting out the principles and regulations governing the correct use of the Working Time Table on the Western Region. Intended for operating staff, it explains how train timings, allowances, special notes, and sectional appendices were to be interpreted and applied in daily railway operations. The document emphasises accuracy, punctuality, and safety, ensuring consistency across depots and divisions. It reflects the administrative discipline of British Railways and the importance of the Working Time Table as a core management and control tool. Today, it offers valuable insight into the practical framework that underpinned Western Region train working.